Best weed killers in Australia

Our team examined hundreds of customer reviews and ratings to find the 11 best weed killers available in Australia right now.

We’re reader-supported and may be paid when you visit links to partner sites. We don’t compare all products in the market, but we’re working on it!

The best weed killers in Australia

How did we pick this list?

For this list, we picked products based on actual customer reviews and ratings on Amazon, Bunnings and eBay. For every category, we carefully chose parameters based on our research and determined products with the highest review score within those parameters.

Read more detail on our methodology below.

Best natural/organic weed killer: Roundup Naturals Glyphosate-Free Powerful Weed Killer

Pros

  • Allows for replanting after 24 hours
  • Rain fast in 3 hours

Cons

  • The spray's locking mechanism is difficult to use according to reviews
  • Multiple coatings may be needed
Price (RRP): $59.49
Amazon pricing: Check site for current pricing
Buy at Amazon
Buy at eBay

Why we chose it

With a rating of 4.5 out of 5 stars on Amazon, we recommend the Roundup Naturals Glyphosate-Free Powerful Weed Killer as the best natural/organic weed killer.

This Roundup natural herbicide is made of 100% natural active ingredients to bring visible results in just an hour. It is free of glyphosate and remains effective within 3 hours even when it rains. According to the company, it completely kills weeds in 24 hours, allowing you to replant or reseed right after.

This natural weed killer comes premixed with a pressure spray, making it convenient for spraying gardens, pathways and other areas. Customers loved its fast-acting formula that effectively gets rid of most unwanted weeds. It also doesn't leave any residue in the soil. However, several customers said that its sprayer is hard to use. Others also mentioned that they needed multiple coatings to kill stubborn weeds, but this seems to be an isolated issue.


Best overall weed killer: Yates Ready to Use Zero Rapid 1 Hour Action Weed Killer

Pros

  • Rainproof
  • Fast-acting

Cons

  • Trigger is difficult to use according to several customers
  • You may need more than 1 bottle for larger areas
Price (RRP): $34.50 (1 litre)
Buy at eBay

Why we chose it

Our pick for the best overall weed killer is the Yates Ready to Use Zero Rapid 1 Hour Action Weed Killer. It has an average rating of 4.8 out of 5 stars on Bunnings and eBay.

The Yates Ready to Use Zero Rapid 1 Hour Action Weed Killer is a non-selective, all-purpose weed killer that effectively gets rid of different weeds within an hour. According to the manufacturer, it is rainproof after 30 minutes and is non-residual – you can plant on the sprayed area after 7 days.

Customers gave positive feedback on the product's convenience, fast-action and versatility. It produces visible results within an hour. But since it's a non-selective herbicide, it will kill everything it touches. Reviewers also loved that it's safe for pets and children once dried. However, there were complaints about the trigger being difficult to use. A few others also mentioned that a single bottle isn't enough to cover larger areas, but this seems to be a minor concern.


Best selective weed killer: Nufarm Kamba M Selective Herbicide

Pros

  • Great for large areas
  • Glyphosate Free

Cons

  • Not suitable for buffalo grass
  • There are other cheaper options in the market
Price (RRP): $130.40
Buy at eBay

Why we chose it

For the best selective option, we recommend the Nufarm Kamba M Selective Herbicide. At Bunnings, it has a rating of 4.9 out of 5 stars.

Nufarm's Kamba M Selective Herbicide is a 5L weed killer that can treat up to 7,500 sqm of turf. It can control a variety of weeds, including bindii, clover, capeweed and thistles. It's a glyphosate-free solution with Dicamba as an active ingredient.

Reviews said that it effectively kills weeds after just a day. A few others also added that it gets rid of flat weeds and broadleaf weeds, leaving their lawn luscious and healthy. One 5L jug is also enough to cover larger areas, according to customers. However, the company mentioned that it's not suitable for buffalo turf.


Best non-selective weed killer: Roundup Fast Spray Ready Weedkiller

Pros

  • Works within an hour
  • Child-resistant packaging

Cons

  • Doesn't come with a sprayer
  • Only covers up to 75sqm
Price (RRP): $48.63
Buy at eBay

Why we chose it

When it comes to non-selective herbicides, we chose Roundup's Fast Spray Ready Weedkiller as the best option. It has a rating of 4.8 out of 5 stars at Bunnings.

Roundup's Fast Spray Ready Weedkiller is a non-selective herbicide that can tackle all your weed problems within an hour. The ready-to-use formula works on most weeds and grasses, with a 5L bottle covering up to 75sqm.

The general sentiment is that this herbicide is a powerful, fast-acting weed killer for controlling anything in your garden or pathway. One reviewer added that it controlled the weeds on their pebbled driveway without damaging the pebbles. It comes in child-resistant packaging for better security as well. Several customers wish it came with its own sprayer but added that it's not really a huge issue.


Best cheap weed killer: Garden Basics Ready to Use Weed Kill

Pros

  • Ideal for spot weeding
  • Works quickly

Cons

  • Has a strong chemical scent
  • Not suitable for large areas
Price (RRP): $11.24
Buy at eBay

Why we chose it

The Garden Basics Ready to Use Weed Kill is our pick for the best cheap weed killer available online. It has a rating of 5 out of 5 stars on Bunnings.

The Garden Basics Ready to Use Weed Kill is a non-selective herbicide that controls foliage and roots. It comes in a ready-to-use trigger spray bottle, allowing you to spot-weed. It is also non-residual, which means you can plant in the sprayed area after several days.

Since it contains glyphosate, this herbicide will kill anything it comes into contact with. Customers loved using it for weeding their gardens and paths. Others also mentioned that it works just as well as other pricier options. However, it has a strong chemical scent that may be off-putting. Additionally, a single 1.2L bottle isn't enough for larger areas.


Best weed killer for garden beds: Yates Ready to Use Nature's Way Organic Weed Killer Spray

Pros

  • Glyphosate-free
  • Good value for money

Cons

  • Needs to be brushed off
  • Not rainproof
Price (RRP): $24.59
Buy at eBay

Why we chose it

For garden beds, we recommend the Yates Ready to Use Nature's Way Organic Weed Killer Spray as the best weed killer. It has a rating of 4.7 out of 5 stars on Bunnings.

Australian Certified Organic and approved for organic gardening, Yates' Ready to Use Nature's Way Organic Weed Killer Spray is a glyphosate-free, non-selective herbicide that controls a wide range of garden weeds. It can kill dandelions, clover, broadleaf weeds, algae and moss. It is non-residual, allowing you to replant after 7 days of spraying.

Customers gave positive feedback on the product's organic formula, fast-action and ease of use. This herbicide is clove oil-based, which controls some weeds within an hour. At a little under $25, it's quite an economical option for garden beds, rockeries and driveways. However, it's not rainproof; the company advises not using the product if rain is likely within 2 hours.


Best weed killer for large areas: Roundup Herbicide Liquid Concentrate Weedkiller

Pros

  • Non-residual
  • Kills quick-growing weeds

Cons

  • May cause skin irritation
  • Needs to be mixed before usage
Price (RRP): $43.98
Buy at eBay

Why we chose it

With a rating of 5 out of 5 stars on Bunnings, we picked Roundup's Herbicide Liquid Concentrate Weedkiller as the best weed killer for large areas.

Roundup's Herbicide Liquid Concentrate Weedkiller is a powerful water-soluble herbicide that controls annual and perennial weeds, such as chickweed, sow thistle, blackberry and bamboo. A 5-litre bottle can cover up to 1,000sqm or an area up to the size of 4 tennis courts. It comes in child-resistant packaging and is non-residual.

Roundup is Australia's best-rated weed killer brand, gaining the highest marks when it comes to ease of use, effectiveness and value for money. The brand's Herbicide Liquid Concentrate Weedkiller quickly kills weeds thanks to its powerful non-selective formula. It also doesn't remain active in the soil, allowing you to plant after just 7 days. However, we recommend taking extra precautions when using this herbicide as its strong concentration may cause some skin irritations.


Best pet-friendly weed killer: Natural Armor 30% Vinegar Pure Natural & Safe Industrial Strength Concentrate

Pros

  • Powerful yet environmentally friendly
  • Multipurpose

Cons

  • Not cheap
  • Several customers didn't receive a spray with their packages
Price (RRP): $188.85
Amazon pricing: From $269.66
Buy at Amazon

Why we chose it

For the best pet-friendly option, we picked the Natural Armor 30% Vinegar Pure Natural & Safe Industrial Strength Concentrate. It has a rating of 4.5 out of 5 stars on Amazon.

About 6 times stronger than vinegar, Natural Armor's 30% Vinegar Pure Natural & Safe Industrial Strength Concentrate is a natural herbicide that can also be used as a deodoriser and surface cleaner. It is environmentally friendly and safe for use around pets.

This non-selective weed killer effectively kills overgrown and stubborn weeds in gardens, patios and other large areas. Because it has a potent 30% vinegar formula, reviews recommended wearing protective gear before usage to avoid any irritation. Customers also loved using this product to keep their households sparkling clean. At over $180 for a gallon, it's more expensive than traditional weed killers. However, customers said that its eco-friendliness, versatility and potency are well worth it.


Best weed killer for grass: Roundup Tough Ready to Use Pump 'N Go Weedkiller

Pros

  • Rainproof after 30 minutes
  • Easy to use

Cons

  • Spray is difficult to use
  • Not strong enough for some customers
Price (RRP): $51.97 (2.5 litres)
Buy at eBay

Why we chose it

The Roundup Tough Ready to Use Pump 'N Go Weedkiller is our choice for the best weed killer for grass. It has a rating of 4 out of 5 stars at Bunnings.

Roundup's Tough Ready to Use Pump 'N Go Weedkiller is a premixed herbicide that effectively kills weeds and grasses – roots and all. It comes with a Pump n Go pressurised spray for easier usage. According to the company, it is rainproof after 30 minutes and is non-residual. After 7 days, you can safely replant or reseed in the sprayed area.

Customers praised the product for being convenient and fast-acting. The premixed formula is suitable for people with busier schedules. Its included spray head has 2 spray patterns: foaming action and drip guard, allowing you to evenly coat those pesky weeds. This non-selective herbicide is suitable for onion weed, blackberry, English ivy and other grasses. However, some customers said it's not strong enough for their liking. Others also said the spray is quite difficult to use, but this seems to be a minor issue for most buyers.


Best weed killer for buffalo grass: Surefire Buffalo Bindi & Broadleaf Weedkiller

Pros

  • Ideal for lawns and gardens
  • Can also control clover and oxalis

Cons

  • Needs to be mixed
  • Expensive for just 1 litre
Price (RRP): $56.70
Buy at eBay

Why we chose it

Surefire's Buffalo Bindi & Broadleaf Weedkiller is our pick for the best weed killer for buffalo grass. On eBay, it has a rating of 5 out of 5 stars.

Surefire's Buffalo Bindi & Broadleaf Weedkiller is a concentrated herbicide formulated with bromoxynil and MCPA. Bromoxynil is a nitrile herbicide used for post-emergent control of annual broadleaf weeds, while MCPA is a phenoxy herbicide used for perennial weeds. This powerful solution also effectively gets rid of stubborn weeds on buffalo, kikuyu, couch, Queensland and blue couch grasses.

The general sentiment is that this weed killer is a potent product that easily kills various weeds in different grass types. Customers said it's especially effective for buffalo and kikuyu grasses, leaving their turfs luscious and healthy sans weeds. It's a concentrated formula that needs to be mixed with water, which may be a con if you're new to herbicides or lead a busy lifestyle.


Best weed killer for clover: Amgrow Multiweed All Purpose Lawn Weeder

Pros

  • Selective herbicide
  • A little goes a long way

Cons

  • Not suitable for large areas
  • Can still impact nearby plants according to reviews
Price (RRP): $28.59
Buy at eBay

Why we chose it

For clover, we recommend the Amgrow Multiweed All Purpose Lawn Weeder as the best weed killer. It has an average rating of 4.5 out of 5 stars on Bunnings and eBay.

Amgrow's Multiweed All-Purpose Weeder is a selective herbicide used to kill oxalis, bindii, dandelion, flat weeds and many more. It is suitable for most lawn types, including blue couch, carpet, Kentucky bluegrass and ryegrass. However, it's unsuitable for buffalo lawns.

Despite its small size, this concentrated formula can cover up to 125sqm. Additionally, you only need about 20ml mixed in 6 litres of water for a 10sqm area. Customers said that it quickly kills stubborn weeds and grasses. But despite being a selective solution, one review said it still impacts nearby plants. To avoid this issue, we recommend using a more effective selective herbicide instead.


Amazon prices last updated on 28 September, 2021 at 04:00 am

Methodology

22
Brands considered
75
Products compared
11
Best products chosen
  • We compared more than 70 products from over 20 weed killer brands.
  • We then assessed hundreds of customer reviews and ratings on Amazon, Bunnings and eBay.
  • The products on this list are chosen by our editorial team and are not selected based on commercial relationships.

More guides on Finder

Ask an Expert

You are about to post a question on finder.com.au:

  • Do not enter personal information (eg. surname, phone number, bank details) as your question will be made public
  • finder.com.au is a financial comparison and information service, not a bank or product provider
  • We cannot provide you with personal advice or recommendations
  • Your answer might already be waiting – check previous questions below to see if yours has already been asked

Finder only provides general advice and factual information, so consider your own circumstances, or seek advice before you decide to act on our content. By submitting a question, you're accepting our Terms of Use, Disclaimer & Privacy Policy and Privacy & Cookies Policy.
Go to site